Revert of Show message center on lock screen

Revert of Show message center on lock screen (patchset #2 id:120001 of https://codereview.chromium.org/1986493002/ )

Reason for revert:
Speculative revert: this may cause message_center_unittests failure on Ubuntu-12.04

BUG=615443
Original issue's description:
> Show message center on lock screen
>
> This patch does:
> - Show the message center button on tray on the lock screen
> - Show the message to encourage user to log in when user opens message center on lock screen
> - Add SetLockedState(bool) and IsLockedState() method into MessageCenter class.
> - Don't make notifications read when opening the message center on lock screen
> - Add tests
>
> And this patch also fixes the bug that this makes blocked notifications read wrongly.
>
> BUG=599891
> TEST=manually tested
>
> Committed: https://crrev.com/48c4b94a9d9eb0ae3a20ed9c05d9e77ff1a98b50
> Cr-Commit-Position: refs/heads/master@{#396402}

TBR=dewittj@chromium.org,skuhne@chromium.org,yoshiki@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=599891
Committed: https://crrev.com/d19388b6f1ca92183d28a7d4df9ceb9101309676
Cr-Commit-Position: refs/heads/master@{#396495}

[nednguyen, 2016-05-27 17:07:12]

Created Revert of Show message center on lock screen

[commit-bot: I haz the power, 2016-05-27 17:07:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2018063002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2018063002/1

[commit-bot: I haz the power, 2016-05-27 17:08:17]

Description was changed from

==========
Revert of Show message center on lock screen (patchset #2 id:120001 of
https://codereview.chromium.org/1986493002/ )

Reason for revert:
Speculative revert: this may cause message_center_unittests failure on
Ubuntu-12.04	

BUG=615443

Original issue's description:
> Show message center on lock screen
> 
> This patch does:
> - Show the message center button on tray on the lock screen
> - Show the message to encourage user to log in when user opens message center
on lock screen
> - Add SetLockedState(bool) and IsLockedState() method into MessageCenter
class.
> - Don't make notifications read when opening the message center on lock screen
> - Add tests
> 
> And this patch also fixes the bug that this makes blocked notifications read
wrongly.
> 
> BUG=599891
> TEST=manually tested
> 
> Committed: https://crrev.com/48c4b94a9d9eb0ae3a20ed9c05d9e77ff1a98b50
> Cr-Commit-Position: refs/heads/master@{#396402}

TBR=dewittj@chromium.org,skuhne@chromium.org,yoshiki@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=599891
==========

to

==========
Revert of Show message center on lock screen (patchset #2 id:120001 of
https://codereview.chromium.org/1986493002/ )

Reason for revert:
Speculative revert: this may cause message_center_unittests failure on
Ubuntu-12.04	

BUG=615443

Original issue's description:
> Show message center on lock screen
> 
> This patch does:
> - Show the message center button on tray on the lock screen
> - Show the message to encourage user to log in when user opens message center
on lock screen
> - Add SetLockedState(bool) and IsLockedState() method into MessageCenter
class.
> - Don't make notifications read when opening the message center on lock screen
> - Add tests
> 
> And this patch also fixes the bug that this makes blocked notifications read
wrongly.
> 
> BUG=599891
> TEST=manually tested
> 
> Committed: https://crrev.com/48c4b94a9d9eb0ae3a20ed9c05d9e77ff1a98b50
> Cr-Commit-Position: refs/heads/master@{#396402}

TBR=dewittj@chromium.org,skuhne@chromium.org,yoshiki@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=599891
==========

[commit-bot: I haz the power, 2016-05-27 17:08:18]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-27 17:09:38]

Description was changed from

==========
Revert of Show message center on lock screen (patchset #2 id:120001 of
https://codereview.chromium.org/1986493002/ )

Reason for revert:
Speculative revert: this may cause message_center_unittests failure on
Ubuntu-12.04	

BUG=615443

Original issue's description:
> Show message center on lock screen
> 
> This patch does:
> - Show the message center button on tray on the lock screen
> - Show the message to encourage user to log in when user opens message center
on lock screen
> - Add SetLockedState(bool) and IsLockedState() method into MessageCenter
class.
> - Don't make notifications read when opening the message center on lock screen
> - Add tests
> 
> And this patch also fixes the bug that this makes blocked notifications read
wrongly.
> 
> BUG=599891
> TEST=manually tested
> 
> Committed: https://crrev.com/48c4b94a9d9eb0ae3a20ed9c05d9e77ff1a98b50
> Cr-Commit-Position: refs/heads/master@{#396402}

TBR=dewittj@chromium.org,skuhne@chromium.org,yoshiki@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=599891
==========

to

==========
Revert of Show message center on lock screen (patchset #2 id:120001 of
https://codereview.chromium.org/1986493002/ )

Reason for revert:
Speculative revert: this may cause message_center_unittests failure on
Ubuntu-12.04

BUG=615443

Original issue's description:
> Show message center on lock screen
>
> This patch does:
> - Show the message center button on tray on the lock screen
> - Show the message to encourage user to log in when user opens message center
on lock screen
> - Add SetLockedState(bool) and IsLockedState() method into MessageCenter
class.
> - Don't make notifications read when opening the message center on lock screen
> - Add tests
>
> And this patch also fixes the bug that this makes blocked notifications read
wrongly.
>
> BUG=599891
> TEST=manually tested
>
> Committed: https://crrev.com/48c4b94a9d9eb0ae3a20ed9c05d9e77ff1a98b50
> Cr-Commit-Position: refs/heads/master@{#396402}

TBR=dewittj@chromium.org,skuhne@chromium.org,yoshiki@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=599891

Committed: https://crrev.com/d19388b6f1ca92183d28a7d4df9ceb9101309676
Cr-Commit-Position: refs/heads/master@{#396495}
==========

[commit-bot: I haz the power, 2016-05-27 17:09:39]

Patchset 1 (id:??) landed as
https://crrev.com/d19388b6f1ca92183d28a7d4df9ceb9101309676
Cr-Commit-Position: refs/heads/master@{#396495}